EP0036491A1 - Distributeur pour produits pâteux - Google Patents

Distributeur pour produits pâteux Download PDF

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Publication number
EP0036491A1
EP0036491A1 EP81101240A EP81101240A EP0036491A1 EP 0036491 A1 EP0036491 A1 EP 0036491A1 EP 81101240 A EP81101240 A EP 81101240A EP 81101240 A EP81101240 A EP 81101240A EP 0036491 A1 EP0036491 A1 EP 0036491A1
Authority
EP
European Patent Office
Prior art keywords
rocker arm
rod
arm
housing
dispenser according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP81101240A
Other languages
German (de)
English (en)
Other versions
EP0036491B1 (fr
Inventor
Alfred Von Schuckmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Colgate Palmolive Co
Original Assignee
Colgate Palmolive Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6095761&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0036491(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Colgate Palmolive Co filed Critical Colgate Palmolive Co
Priority to AT81101240T priority Critical patent/ATE9311T1/de
Publication of EP0036491A1 publication Critical patent/EP0036491A1/fr
Application granted granted Critical
Publication of EP0036491B1 publication Critical patent/EP0036491B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/76—Containers or packages with special means for dispensing contents for dispensing fluent contents by means of a piston
    • B65D83/763—Containers or packages with special means for dispensing contents for dispensing fluent contents by means of a piston the piston being actuated by a reciprocating axial motion of a shaft which engages the piston, e.g. using a ratchet mechanism
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT; ACCESSORIES THEREFOR, e.g. TOILET ACCESSORIES
    • A47K5/00—Holders or dispensers for soap, toothpaste or the like
    • A47K5/06—Dispensers for soap
    • A47K5/12—Dispensers for soap for liquid or pasty soap
    • A47K5/1201—Dispensers for soap for liquid or pasty soap hand-carried

Definitions

  • the invention relates to a dispenser for pasty masses in particular, with a tubular housing, in which a piston which can be displaced by means of an actuating handle on the mouthpiece runs and on which a pulling element coupled to the actuating handle engages.
  • the actuating handle consists of a shaft equipped with a handle. This is located in the area of the mouthpiece opening, penetrating it transversely.
  • the traction element consists of a band, the lower end of which engages the piston and the mouth end of which is wound onto the shaft when the actuating handle is actuated.
  • a slip clutch is provided between the pulling element and the shaft in order to ensure that the winding movement takes place only when the actuating handle is in the correct direction of rotation.
  • Such designs are technically complicated. Their operation is disadvantageous. In particular, one-handed operation is not possible.
  • the loss factor with regard to the contents of the dispenser is also large because the shaft, including the slip clutch, occupies a considerable space filled with paste and because considerable amounts of the container contents still adhere to these components even when the piston is completely empty.
  • dispensers for pasty masses in particular are known (FR-PS 797 113), in which a piston is moved in a cylindrical housing by means of a rod, the rod being displaceable by an external actuating handle and via a one-way locking mechanism is connected to the piston.
  • These dispensers which are somewhat simpler in construction, allow one-handed operation; however, they have the disadvantage that the actuating handle is opposite the mouthpiece opening. This represents a considerable operating disadvantage, particularly in the case of larger dispenser housings.
  • These solutions are also disadvantageous in that the rod is subjected to pressure during the operating step of the actuation handle, ie during the emptying process. It must therefore have considerable kink stability, which above all requires a relatively large cross-section of the rod, which cross-section is lost again as a filling quantity for the dispenser.
  • the object of the present invention is to design a dispenser of the generic type in such a way that, with a simplified, more convenient design, easier handling, in particular convenient one-hand operation, is achieved.
  • the pulling element is designed as a rod which is coupled to the piston via a one-way locking mechanism and which is seated on one arm of a double-armed rocker arm mounted in the housing, the other arm of which forms the actuating pressure surface.
  • the traction element is designed as a rod coupled to the piston via a one-way locking mechanism.
  • the latter is subjected to tension during the work step.
  • This has the advantage that such a rod can be designed with a smaller cross section than a rod under pressure, in which, above all, the risk of deflection cannot be ruled out on the basis of larger housing lengths.
  • the reduced-section rod also meets efforts to save material.
  • the output of the filling content is extremely user-friendly conveniently in small dosing steps. For this purpose, the mouth end of the rod sits on one arm of a double-armed rocker arm mounted in the housing, the other arm of which is designed as an actuating pressure surface.
  • Such a rocker can be operated like a pump lever which can be acted upon mutually by the actuating finger pressing in a mutually displaced manner. Since the mouthpiece opening can lie in the immediate vicinity of the rocker arm, such a type of actuation is readily possible, the remaining fingers of the hand securely encompassing the container, so that the filling contents can be dispensed in an exactly placeable manner.
  • the rod and the rocker arm are made of the same material, that is, they are present as a coherent insert.
  • the articulation zone between the two functional parts, namely the rod and the rocker arm is achieved in a simple manner in that the rod has a cross-sectionally tapered bending zone in the area of its attachment.
  • An insert part formed from a correspondingly flexible, elastic material is also able to compensate linear and circular movements overlapping one another.
  • a simpler one-sided rocker arm actuation can also be carried out simply by the rocker arm being spring-loaded in the direction of its basic position.
  • a corresponding return spring can be realized using the restoring force of the material used with the simplest of means in that the spring of the underside of the rocker arm is integrally formed as a tongue.
  • rocker arm lies in the region of its one, shorter arm in a recess of a step, the recess side flanks of which have bearing openings for clipping in the bearing pins of the rocker arm, and whose longer arm projects freely over the step that it overlaps a partial surface of the upper housing end wall on which the spring is supported. It is also advantageous here if the end of the spring protrudes into a depression in the housing end wall.
  • the dispenser which is designed in the form of a tubular housing 1, is penetrated by a centrally located, smooth rod 2.
  • a piston 3 runs on it as a press base.
  • the running surface 3 'of the piston runs on the cylindrical housing inner wall 1'.
  • the housing 1 forms a decentralized mouthpiece 4 in the region of its upper end wall 1 ", which finally merges into a mouthpiece opening 4 'with a further reduced cross section.
  • the housing end wall 1 is perforated centrally.
  • the corresponding opening 5 is penetrated to the outside by the rod 2.
  • the latter merges into a rocker arm W.
  • the corresponding double-armed nature of the rocker arm is such that its one, shorter arm 6 is connected to one with the rocker arm connected approach 7 and a subsequent joint 8 is connected to the axially displaceable rod.
  • the other, longer arm 9 of the rocker arm W serves as an actuating pressure surface. It is grooved across the top to increase grip. The grooving is designated 10.
  • the articulation point 8 is realized as a bending zone of reduced cross-section lying between the projection 7 and the rod 2 in the manner of a film hinge.
  • the length of this reduced cross-section bending zone takes into account certain small transverse displacements resulting from the tilting movement of the rocker arm 7 due to the arcuate movement of the rocker arm.
  • the rocker joint axis is designated x-x.
  • the rocker arm W By depressing the rocker arm W in the area of the actuation pressure surface, the rod is axially displaced in the direction of discharge. It is therefore subject to tension during the work step.
  • the piston 3 is dragged along so that the pasty filling content F is dispensed in a metered manner through the mouthpiece opening 4 '.
  • the stroke length is about 1-2 mm each.
  • a one-way locking mechanism is assigned to the piston.
  • the latter consists of a spring washer 12 seated on one broad side of the piston 3.
  • This has radially inwardly directed tongues 13.
  • the tongues 13 extend in the same angular distribution and are bent with respect to the transverse plane corresponding to the piston position in such a way that their end edges meet Support 13 'under spring tension on the lateral surface of the rod 2 offset in level. Their inclination faces away from the mouthpiece side.
  • the piston 3 is therefore only dragged by the rod 2 pulled axially in the direction of the mouthpiece when the longer arm 9 of the rocker arm W is depressed.
  • a corresponding spring 14 is the underside of the rocker arm, i. H. the underside of the longer arm 9 integrally molded as a tongue. It is rooted in the free end of this arm and extends in an arc shape in the direction of the rod 2.
  • the spring 14 can have a certain pretension.
  • the relatively thin rod 2 has a truncated cone-shaped thickening 15 in the area of the opening 5 of the housing end wall 1 ′′, which thickened portion of the opening 5 lies in a shape-wise, funnel-shaped widening.
  • the piston 3 also forms on the side facing the mouthpiece opening extending to the circumferential surface of the rod 2 sealing lip 16, an overflow of the filling content F to the opposite piston side is prevented with certainty so that no losses occur.
  • the corresponding protruding sealing lip 16 continues after the section forming the actual piston sliding surface 3 'into a pocket 17 lying on the side facing away from the dispensing direction for the incorporation of the spring washer 12. These can be clip tongues.
  • the spring washer 12 can of course also be injected into the elastic piston body.
  • the free end of the rod is mounted in a centrally located sleeve 19 which is molded onto the cover 18 of the container 1 and which has a height which takes into account the axial stroke of the rod, so that there the axial guidance is maintained even when the piston 3 is further shifted in the output direction.
  • the lid can be assigned by means of the clip holder. It has a pressure equalization opening, not shown.
  • the rocker axis x-x is realized in the form of the rocker arm W laterally formed axle stub 11.
  • the rocker arm When the rocker arm is assigned, the latter clip into corresponding bearing openings 20 on the side flanks 21 of a recess 22.
  • the corresponding recess 22 lies in the area of a step St of the upper housing end wall 1 ′′.
  • the horizontal rocker arm mounting lying transversely to the rod 2 and offset to this is made in the upper area of the recess 22, so that due to the step and thus the opposite upper recess zone of the lower end wall section 1 ′′, there is an operating space for lowering the longer arm 9.
  • the longer arm protrudes accordingly above the St level.
  • the partial surface of the housing end wall 1 ′′ encompassed by the longer arm has a shaft-like depression 23 into which the free end of the spring 14 protrudes.
  • the area on the output side of the housing can be designed essentially in accordance with the contour of the sealing lip 16 of the piston.
  • the entire dispenser head is overlaid by a protective cap 24 which is stop-limited in the push-on direction by a shoulder 25 at the level of the housing end wall 1 ".
  • thermoplastic material All components are expediently made of thermoplastic material by injection molding.
  • the protective cap 24 has a hold-down mandrel N which extends from the inside of its ceiling 24 '(see FIG. 3).
  • the latter is molded onto the cap.
  • the end face of the tapered mandrel ends directly above the arm 6 of the rocker arm W.
  • the purpose of this embodiment is to prevent the stub axle 11 formed on the rocker arm from being pressed out of the recess 22 when the piston 3 is bounced. This cannot be ruled out in cases where the clip forces are not sufficient due to possible different tolerances for the clip holder lying in the direction of the rod. In such cases, the hold-down mandrel forms a corresponding abutment.
  • the protective cap 24 itself is held on the housing itself, for example, using a short thread.
  • the protective cap forms a strong chamfer in the area of its corner zone on the ceiling. This is adapted to the slope of the mouthpiece opening edge, so that there is a sealing closure preventing the contents from drying out.
  • the hold-down mandrel N is coaxial with the central rod 2.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Coating Apparatus (AREA)
  • Closures For Containers (AREA)
  • Nozzles (AREA)
  • Cold Cathode And The Manufacture (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Confectionery (AREA)
EP81101240A 1980-02-28 1981-02-21 Distributeur pour produits pâteux Expired EP0036491B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81101240T ATE9311T1 (de) 1980-02-28 1981-02-21 Spender fuer pastoese massen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803007480 DE3007480A1 (de) 1980-02-28 1980-02-28 Spender fuer insbesondere pastoese massen
DE3007480 1980-02-28

Publications (2)

Publication Number Publication Date
EP0036491A1 true EP0036491A1 (fr) 1981-09-30
EP0036491B1 EP0036491B1 (fr) 1984-09-12

Family

ID=6095761

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81101240A Expired EP0036491B1 (fr) 1980-02-28 1981-02-21 Distributeur pour produits pâteux

Country Status (22)

Country Link
US (1) US4437591A (fr)
EP (1) EP0036491B1 (fr)
JP (1) JPS56139160A (fr)
AR (1) AR222128A1 (fr)
AT (1) ATE9311T1 (fr)
AU (1) AU533506B2 (fr)
BR (1) BR8101176A (fr)
CA (1) CA1166206A (fr)
DE (2) DE3007480A1 (fr)
DK (1) DK150445C (fr)
ES (1) ES8201091A1 (fr)
FI (1) FI70193C (fr)
GB (1) GB2070695B (fr)
GR (1) GR71854B (fr)
HK (1) HK41187A (fr)
IE (1) IE50643B1 (fr)
MX (1) MX154630A (fr)
MY (1) MY8600309A (fr)
NO (1) NO152780C (fr)
NZ (1) NZ196247A (fr)
PT (1) PT72469B (fr)
ZA (1) ZA81738B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3235171A1 (de) * 1981-10-01 1983-04-21 Colgate-Palmolive Co., 10022 New York, N.Y. Spender, insbesondere fuer pastoeses gut
DE3338933A1 (de) * 1983-10-27 1985-05-15 mega product- und Verpackungsentwicklung Marketing GmbH & Co KG, 5600 Wuppertal Spender fuer pastoese massen
DE3400373A1 (de) * 1983-12-27 1985-07-11 Realex Corp., Kansas City, Mo. Spender fuer pastoeses gut

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR8107321A (pt) * 1980-11-26 1982-08-03 Blendax Werke Schneider Co Aperfeicoamentos em um recipiente para a ministracao de um produto em porcoes
DE3201356A1 (de) * 1982-01-19 1983-07-28 Aerosol Techniek Nederland B.V., 1402 Bussum Spender fuer pastoese produkte
US4529585A (en) * 1983-12-23 1985-07-16 Colgate-Palmolive Company Dentrifrice preparation
US4565692A (en) * 1983-12-23 1986-01-21 Colgate-Palmolive Company Extrudable dentifrice
US4529584A (en) * 1983-12-23 1985-07-16 Colgate-Palmolive Company Dentifrice composition
US4643337A (en) * 1984-10-26 1987-02-17 Hex Plastics, Inc. Dispenser for viscous materials
US4562065A (en) * 1984-12-11 1985-12-31 Colgate-Palmolive Company Astringent dentifrice
US4562066A (en) * 1984-12-11 1985-12-31 Colgate-Palmolive Company Astringent dentifrice containing monofluorophosphate
ES2000920A6 (es) * 1985-07-18 1988-04-01 Guala Angelo Spa Dispensador de productos pastosos en general
US4716034A (en) * 1985-11-27 1987-12-29 Colgate-Palmolive Company Packaged dental cream
US4702905A (en) * 1985-08-30 1987-10-27 Colgate-Palmolive Company Packaged dental cream
US4728508A (en) * 1985-12-13 1988-03-01 Colgate-Palmolive Company Dental cream in package
US4770324A (en) * 1985-12-13 1988-09-13 Colgate-Palmolive Company Dental cream package
IN168049B (fr) * 1986-01-22 1991-01-26 Colgate Palmolive Co
US5041279A (en) * 1986-02-28 1991-08-20 Colgate-Palmolive Company Dental cream package
US4850516A (en) * 1986-04-15 1989-07-25 Risdon Corporation Positive displacement dispenser
US4753373A (en) * 1986-04-15 1988-06-28 Risdon Corporation Positive displacement dispenser
GB8617350D0 (en) * 1986-07-16 1986-08-20 Metal Box Plc Pump chamber dispenser
US4767032A (en) * 1986-09-02 1988-08-30 L. Perrigo Company Paste dispenser
US4776492A (en) * 1986-10-06 1988-10-11 Gallo Carmen S Combination toothpaste dispenser and toothbrush holder
GB2197425B (en) * 1986-11-12 1990-02-28 Metal Box Plc Pistons for pressure-dispensing containers
US4778084A (en) * 1986-11-20 1988-10-18 Chen James C Toothpaste discharger
US4817826A (en) * 1986-12-12 1989-04-04 Joseph Judge Toothbrush holder for stand-up toothpaste dispensers
GB2204099B (en) * 1987-04-29 1991-04-24 Metal Box Plc Pump chamber dispenser
US5044525A (en) * 1988-02-29 1991-09-03 Colgate-Palmolive Company Dispensing device
US4838461A (en) * 1988-04-14 1989-06-13 Owens-Illinois Closure Inc. Dispensing package for a viscous product
US5088623A (en) * 1988-07-07 1992-02-18 Colgate-Palmolive Company Dispenser with indicator
US4852774A (en) * 1988-08-26 1989-08-01 Colgate-Palmolive Company Dispenser with closure cap
US4907726A (en) * 1988-10-27 1990-03-13 Owens-Illinois Closure Inc. Stripping dispenser package for viscous products
US4896796A (en) * 1988-11-18 1990-01-30 Owens-Illinois Closure Inc. Striping dispenser package for viscous products
US4921130A (en) * 1988-12-05 1990-05-01 Hollberg Virginia R Viscous material dispensing apparatus
US5094364A (en) * 1990-06-15 1992-03-10 Calmar Inc. Protective overcap and wiper for dispenser discharge orifice
US5211312A (en) * 1991-10-28 1993-05-18 Chang Peter J Y Caulk dispensing device with thumb-control lock
DE9115688U1 (de) * 1991-12-18 1992-03-19 Schneider, Friedhelm, 5226 Reichshof Entleerungsvorrichtung für Kartuschen und Behälter mit hochviskosem Inhalt
US5363990A (en) * 1994-02-25 1994-11-15 Owens-Illinois Closure Inc. Dual chambered pump package for viscous products
DE10140650A1 (de) * 2001-08-18 2003-02-27 Wella Ag Spender, insbesondere für pastöse Massen
WO2010012814A1 (fr) * 2008-08-01 2010-02-04 Boehringer Ingelheim International Gmbh Emballage sous forme de bouteille avec un moyen amortisseur disposé à l'intérieur
EP2202179B1 (fr) * 2008-12-23 2012-06-20 The Procter & Gamble Company Distributeur de matériaux visqueux
FR3081113B1 (fr) * 2018-05-18 2020-05-29 Albea Le Treport Piston pour reservoir d'un distributeur d'un produit fluide sans reprise d'air

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1656477A (en) * 1926-06-29 1928-01-17 Walter Rutherford Container
DE678288C (de) * 1936-12-18 1939-07-12 Bernhard Zamek Tubenaehnlicher Behaelter fuer plastische Mittel, insbesondere fuer Zahnpasta, Salben o. dgl.
US3255935A (en) * 1965-03-29 1966-06-14 Walter B Spatz Dispensers for fluent masses

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE650821C (de) * 1936-07-16 1937-10-02 Spiekenheuer Geb Senfbehaelter mit einem Druckkolben und einer hohlen, am aeusseren Ende mit einer Austrittsoeffnung versehenen Kolbenstange
US2639052A (en) 1948-08-03 1953-05-19 Gebauer Means for dispensing liquids
US3013702A (en) 1959-09-25 1961-12-19 George E Honisck Oil can pump
US3726445A (en) * 1971-06-23 1973-04-10 Federal Tool & Plastics Actuator means for use with aerosol dispensers
US3774816A (en) 1971-07-12 1973-11-27 Aprand Inc Extrusion packages for viscous materials
CH548913A (de) * 1972-08-14 1974-05-15 Sika Ag Spendebehaelter fuer fliessfaehige gueter.
US3840159A (en) 1973-03-01 1974-10-08 Whirley Ind Inc Dispenser
US3881643A (en) * 1973-11-02 1975-05-06 Polytop Corp Child resistant closures with lever opening
JPS534384Y2 (fr) * 1975-09-02 1978-02-03
DE2611644A1 (de) * 1976-03-19 1977-09-29 Henkel & Cie Gmbh Behaelter fuer kosmetika
DE2945338A1 (de) * 1979-11-09 1981-05-21 Joachim 8405 Donaustauf Czech Spender fuer pastoese produkte

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1656477A (en) * 1926-06-29 1928-01-17 Walter Rutherford Container
DE678288C (de) * 1936-12-18 1939-07-12 Bernhard Zamek Tubenaehnlicher Behaelter fuer plastische Mittel, insbesondere fuer Zahnpasta, Salben o. dgl.
US3255935A (en) * 1965-03-29 1966-06-14 Walter B Spatz Dispensers for fluent masses

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3235171A1 (de) * 1981-10-01 1983-04-21 Colgate-Palmolive Co., 10022 New York, N.Y. Spender, insbesondere fuer pastoeses gut
DE3338933A1 (de) * 1983-10-27 1985-05-15 mega product- und Verpackungsentwicklung Marketing GmbH & Co KG, 5600 Wuppertal Spender fuer pastoese massen
DE3400373A1 (de) * 1983-12-27 1985-07-11 Realex Corp., Kansas City, Mo. Spender fuer pastoeses gut

Also Published As

Publication number Publication date
GB2070695A (en) 1981-09-09
EP0036491B1 (fr) 1984-09-12
DK150445C (da) 1987-10-19
FI70193B (fi) 1986-02-28
NO810685L (no) 1981-08-31
MX154630A (es) 1987-10-30
AU533506B2 (en) 1983-12-01
NZ196247A (en) 1983-09-02
CA1166206A (fr) 1984-04-24
FI70193C (fi) 1986-09-15
JPS56139160A (en) 1981-10-30
IE810400L (en) 1981-08-28
GB2070695B (en) 1983-12-14
MY8600309A (en) 1986-12-31
AR222128A1 (es) 1981-04-15
DK83581A (da) 1981-08-29
FI810209L (fi) 1981-08-29
JPH0375228B2 (fr) 1991-11-29
DK150445B (da) 1987-03-02
DE3165902D1 (en) 1984-10-18
NO152780C (no) 1985-11-20
US4437591A (en) 1984-03-20
NO152780B (no) 1985-08-12
DE3007480A1 (de) 1981-11-19
ATE9311T1 (de) 1984-09-15
IE50643B1 (en) 1986-05-28
GR71854B (fr) 1983-07-05
BR8101176A (pt) 1981-09-01
ES499106A0 (es) 1981-12-16
HK41187A (en) 1987-06-05
PT72469A (de) 1981-03-01
AU6718981A (en) 1981-09-03
ZA81738B (en) 1982-04-28
ES8201091A1 (es) 1981-12-16
PT72469B (de) 1982-02-12

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19810909

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